CN109023806B - Three-dimensional fabric sizing equipment and method - Google Patents
Three-dimensional fabric sizing equipment and method Download PDFInfo
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- CN109023806B CN109023806B CN201810651907.2A CN201810651907A CN109023806B CN 109023806 B CN109023806 B CN 109023806B CN 201810651907 A CN201810651907 A CN 201810651907A CN 109023806 B CN109023806 B CN 109023806B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H7/00—Apparatus or processes for cutting, or otherwise severing, specially adapted for the cutting, or otherwise severing, of textile materials
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Abstract
The invention discloses three-dimensional fabric sizing equipment and a three-dimensional fabric sizing method, and belongs to the technical field of fabric sizing. The thermodynamic property of the fabric is changed by utilizing the temperature difference of different areas of an upper die and a lower die in the equipment, so that the subsequent cutting is facilitated, and the once cutting device is utilized to ensure that the edge of the formed fabric is compact and smooth and the demolding is smooth, so that the part formed by manual cutting is saved, the time is greatly saved, the production efficiency is improved, and the cost is reduced; meanwhile, the fabric to be shaped and cut is cut into the size corresponding to the sizes of the upper die and the lower die in advance, so that raw materials are saved.
Description
Technical Field
The invention relates to three-dimensional fabric sizing equipment and a three-dimensional fabric sizing method, and belongs to the technical field of fabric sizing.
Background
Textiles include woven, knitted and nonwoven fabrics. The woven fabric is a fabric formed by interweaving warp yarns and weft yarns; the knitted fabric is divided into a weft knitted fabric and a warp knitted fabric, the weft knitted fabric is a fabric formed by laying one or more yarns in a weft direction, and the warp knitted fabric is a fabric formed by laying a group of yarns in a warp direction; the nonwoven fabric is a woven fabric formed by disorderly arranging fiber aggregates. With the development of warp knitting technology in recent years, warp knitting products are applied more and more widely in the field of industrial textiles. The warp knitted fabric is widely applied to various fields of construction, packaging, transportation, agriculture, fishery, sports, biomedical treatment, aerospace and the like.
In the above-mentioned fabric production process, it is inevitably necessary to heat-set it; the common heat setting equipment usually cuts off required parts manually after the heat setting of the fabric is finished, time and labor are consumed, and the manual cutting is greatly influenced by human factors, so that the cut fabric has loose edges, irregular shapes and rough edges, and the subsequent use is influenced.
Disclosure of Invention
In order to solve the problems that the time and the labor are wasted, the manual cutting is greatly influenced by human factors, the edges of the cut fabric are loose, irregular in shape and rough, and the subsequent use is influenced, the heat setting and the demolding treatment of the chemical fiber fabric are realized by a more convenient and efficient method, and the three-dimensional fabric which is compact and smooth in the edge after demolding and good in molding is obtained. The invention has the characteristics of simplicity, high efficiency, good shaping effect, quick demoulding and forming, high production efficiency, wide application field, energy conservation, environmental protection and the like, and provides three-dimensional shaping equipment and a method for fabrics, wherein the three-dimensional shaping equipment comprises the following steps:
the invention provides three-dimensional fabric shaping equipment, which comprises an upper die and a lower die, wherein the upper die and the lower die respectively comprise a heat shaping area and a cutting area; and the working temperature of the cutting areas of the upper die and the lower die is higher than that of the heat setting area.
Optionally, the resistance value of the metal material used in the cutting area of the upper and lower dies is higher than the resistance value of the metal material used in the heat setting area of the upper and lower dies.
Optionally, the heat setting area and the cutting area of the upper die are respectively made of metal materials with different resistance values, and the heat setting area and the cutting area of the lower die are respectively made of metal materials with different resistance values; the heat setting area of the upper die and the heat setting area of the lower die are made of metal materials with the same resistance value; the cutting area of the upper die and the cutting area of the lower die are made of metal materials with the same resistance value.
Optionally, the heat setting area of the upper mold is a convex portion with a smooth surface, the heat setting area of the lower mold is a concave portion with a smooth surface, and the convex portion of the upper mold and the concave portion of the lower mold can be matched with each other to complete heat setting of the fabric.
Optionally, the cutting area of the upper die is a protruding blade, the cutting area of the lower die is a groove, and the cutting area of the upper die and the cutting area of the lower die can be matched with each other to complete the cutting of the fabric.
Optionally, the cross section of the convex portion of the upper die and the cross section of the concave portion of the lower die are in any shape, and the height of the convex portion of the upper die and the depth of the concave portion of the lower die are set according to the fabric to be shaped and cut.
Optionally, the protruding height of the blade of the upper die is set according to the depth of the groove of the lower die;
when the device performs a cutting operation on the fabric, the cutting edge of the upper die enters the groove part of the lower die to realize one-time cutting.
Optionally, when the apparatus is in a working state, the temperatures of the heat setting area of the upper mold and the heat setting area of the lower mold are the same, the temperatures of the cutting area of the upper mold and the cutting area of the lower mold are the same, and the temperatures of the cutting areas of the upper mold and the lower mold are higher than the temperatures of the heat setting areas of the upper mold and the lower mold.
The second purpose of the invention is to provide a three-dimensional fabric sizing method, which is applied to the three-dimensional fabric sizing equipment, and comprises the following steps:
laying the fabric to be shaped and cut on the surface of the concave part of the lower die;
enabling the three-dimensional fabric shaping equipment to be in a working state, and enabling the upper die to descend until the convex part of the upper die is in seamless fit with the concave part of the lower die;
carrying out heat setting operation on the fabric through an upper die and a lower die;
cutting the fabric through the upper and lower dies after the heat setting operation is completed;
the upper and lower dies are separated to complete the demoulding operation.
Optionally, before the step of laying the fabric to be shaped and cut flat on the surface of the concave part of the lower die, the method further comprises the following steps:
cutting the fabric to be shaped and cut into preset size and shape, wherein the preset size and shape correspond to the size and shape of the upper die and the lower die.
Optionally, when the apparatus is in a working state, the temperatures of the heat setting area of the upper mold and the heat setting area of the lower mold are the same, the temperatures of the cutting area of the upper mold and the cutting area of the lower mold are the same, and the temperatures of the cutting areas of the upper mold and the lower mold are higher than the temperatures of the heat setting areas of the upper mold and the lower mold.
Optionally, the method is applied to hernia repair material.
The invention has the beneficial effects that:
the thermodynamic property of the fabric is changed by utilizing the temperature difference of different areas of an upper die and a lower die in the equipment, subsequent cutting is facilitated, and the once cutting device is reused, so that the edge of the molded fabric is compact and smooth, the demolding is smooth, the part for manual cutting and molding is saved, the time is greatly saved, the production efficiency is improved, and the cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a three-dimensional fabric sizing device provided by the invention: for convenience of description, materials of a heat setting area of the upper die and a heat setting area of the lower die are marked as a metal material A, and materials of a cutting area of the upper die and a cutting area of the lower die are marked as a metal material B;
wherein: i is a top view of a lower die of the fabric three-dimensional shaping equipment, II is a top view of an upper die of the fabric three-dimensional shaping equipment, III is a sectional view of the lower die of the fabric three-dimensional shaping equipment, and IV is a sectional view of the upper die of the fabric three-dimensional shaping equipment;
1-1 is a lower die heat setting area, 1-2 is a lower die cutting area, 1-3 is an upper die heat setting area, and 1-4 is an upper die cutting area; 1-5 is a concave part of the lower die, 1-6 is a groove of the lower die, 1-7 is a convex part of the upper die, 1-8 is a blade of the upper die, 1-9 is a metal material A in the lower die, 1-10 is a metal material B in the lower die, 1-11 is a metal material A in the upper die, and 1-11 is a metal material B in the upper die.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment provides a three-dimensional fabric shaping device, which comprises an upper die and a lower die, and the upper die and the lower die respectively comprise a heat shaping area and a cutting area, and refer to fig. 1; and the working temperature of the cutting areas of the upper die and the lower die is higher than that of the heat setting area.
The resistance value of the metal material adopted by the cutting areas of the upper die and the lower die is higher than that of the metal material adopted by the heat setting areas of the upper die and the lower die.
The heat setting area and the cutting area of the upper die are respectively made of metal materials with different resistance values, and the heat setting area and the cutting area of the lower die are respectively made of metal materials with different resistance values; the heat setting area of the upper die and the heat setting area of the lower die are made of metal materials with the same resistance value; the cutting area of the upper die and the cutting area of the lower die are made of metal materials with the same resistance value;
the heat setting area of the upper die is a convex part with a smooth surface, the heat setting area of the lower die is a concave part with a smooth surface, and the convex part of the upper die and the concave part of the lower die can be matched with each other to complete the heat setting of the fabric;
the cutting area of the upper die is a protruding blade, the cutting area of the lower die is a groove, and the cutting area of the upper die and the cutting area of the lower die can be matched with each other to complete the cutting of the fabric;
the cross section of the convex part of the upper die and the cross section of the concave part of the lower die are in any shapes, and the height of the convex part of the upper die and the depth of the concave part of the lower die are set according to the fabric to be shaped and cut;
the protruding height of the blade of the upper die is set according to the depth of the groove of the lower die;
when the device performs cutting operation on the fabric, the cutting edge of the upper die enters the groove part of the lower die to realize one-time cutting;
when the equipment is in a working state, when the equipment is in the working state, the temperature of the heat setting area of the upper die is the same as that of the heat setting area of the lower die, the temperature of the cutting area of the upper die is the same as that of the cutting area of the lower die, and the temperature of the cutting area of the upper die and the temperature of the cutting area of the lower die are higher than that of the heat setting area of the upper die and the lower die.
For convenience of description, in this embodiment, the materials of the heat setting area of the upper die and the heat setting area of the lower die are denoted as a metal material a, and the materials of the cutting area of the upper die and the cutting area of the lower die are denoted as a metal material B;
specifically, as shown in fig. 1, a heating switch of the fabric three-dimensional sizing device is turned on to heat the metal material a and the metal material B respectively, and in general, since the resistance of the metal material a is lower than that of the metal material B, the temperature of the part a of the metal material is lower than that of the part B of the metal material, that is, the temperature of the heat sizing regions of the upper and lower molds is lower than that of the cutting regions of the upper and lower molds, so that the thermodynamic properties of the fabric during sizing are different. After heating, cutting the woven fabric into a specified size and shape, placing the fabric on the upper surface of a lower die, then pressing a working switch, slowly descending the upper die, and completely fitting the upper die with the lower die, wherein a heat setting part 1-1 in the lower die is fitted with a heat setting part 1-3 in the upper die, after a certain time (the heat setting time can be set according to the property of the fabric material and the working temperature of the heat setting areas of the upper die and the lower die and can be obtained by experiments or theoretical calculation), a cutting blade 1-4 in the upper die is fitted with a groove 1-2 of the lower die, and because the temperature of the cutting areas of the upper die and the lower die is higher than that of the heat setting areas of the upper die and the lower die, the position of a three-dimensional model of the fabric at the joint of the cutting areas and the heat setting areas has thermodynamic property difference, therefore, once cutting can be realized when the cutting blades 1-4 in the upper die are matched with the grooves 1-2 of the lower die, and after a certain time (the cutting time can be set according to actual requirements), the upper die automatically rises to obtain the shaped fabric with a certain shape and smooth and compact edges.
Before the fabric is subjected to three-dimensional shaping, the height of the convex part of the upper die and the depth of the concave part of the lower die in the fabric three-dimensional shaping equipment are set according to the model requirement after the fabric is required to be shaped.
According to the invention, the thermodynamic property of the fabric is changed by utilizing the temperature difference of different areas of the upper die and the lower die in the device, so that the subsequent cutting is facilitated, and the once cutting device is utilized again, so that the edge of the formed fabric is compact and smooth, the demolding is smooth, the part formed by manual cutting is saved, the time is greatly saved, the production efficiency is improved, and the cost is reduced.
Example two
The embodiment provides a three-dimensional shaping method of fabric, which comprises the following steps:
cutting the fabric to be shaped and cut into preset size and shape, wherein the preset size and shape correspond to the size and shape of the upper die and the lower die.
Flatly placing the cut fabric on the surface of the concave part of the lower die;
enabling the three-dimensional fabric shaping equipment to be in a working state, and enabling the upper die to descend until the convex part of the upper die is in seamless fit with the concave part of the lower die;
carrying out heat setting operation on the fabric through an upper die and a lower die;
cutting the fabric through the upper and lower dies after the heat setting operation is completed;
the upper and lower dies are separated to complete the demoulding operation.
The method can be applied to hernia repair materials.
Specifically, the present embodiment is described by way of example in the application to a hernia repair material, and the method is applied to the above three-dimensional fabric sizing device, and assuming that the size and shape of the rectangle corresponding to the upper and lower dies are 20cm by 15cm, the fabric to be sized and cut is cut into a rectangle with a size of 20cm by 15 cm.
And simultaneously, opening a heating switch of the fabric three-dimensional shaping equipment to respectively heat the metal material A and the metal material B, wherein in a general condition, the resistance of the metal material A is smaller than that of the metal material B, so that the temperature of the part A of the metal material is lower than that of the part B of the metal material, namely the temperature of the heat shaping area of the upper die and the lower die is lower than that of the cutting area of the upper die and the lower die, and the thermodynamic properties of the fabric during shaping are different. After heating, the cut fabric is horizontally placed on the surface of the concave part of the lower die, then a working switch is pressed, the upper die slowly descends, and when the upper die is completely matched with the lower die, wherein the heat setting part 1-1 in the lower die is matched with the heat setting part 1-3 in the upper die, and after a certain time (the heat setting time can be set according to the property of the fabric material and the working temperature of the heat setting areas of the upper die and the lower die and can be obtained through experiments or theoretical calculation), the cutting blade 1-4 in the upper die is matched with the groove 1-2 of the lower die, and because the temperature of the cutting areas of the upper die and the lower die is higher than that of the heat setting areas of the upper die and the lower die, the position of the fabric three-dimensional model, which is positioned at the joint of the cutting areas and the heat setting areas, has thermodynamic property difference, namely, the edge part of the fabric after being shaped has difference in thermodynamic property, so that once cutting can be realized when the cutting blade 1-4 in the upper die is matched with the groove 1-2 of the lower die, and after a certain time (the cutting time can be set according to actual requirements), the upper die automatically rises to obtain the shaped fabric with a certain shape and smooth and compact edge.
According to the invention, the thermodynamic property of the fabric is changed by utilizing the temperature difference of different areas of an upper die and a lower die in the equipment, so that the subsequent cutting is facilitated, and the once cutting device is utilized to ensure that the edge of the formed fabric is compact and smooth and the demolding is smooth, so that the part formed by manual cutting is saved, the time is greatly saved, the production efficiency is improved, and the cost is reduced; meanwhile, the fabric to be shaped and cut is cut into the size corresponding to the sizes of the upper die and the lower die in advance, so that raw materials are saved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A fabric three-dimensional shaping device comprises an upper die and a lower die, and is characterized in that the upper die and the lower die respectively comprise a heat shaping area and a cutting area; the working temperature of the cutting areas of the upper die and the lower die is higher than that of the heat setting area;
the cutting area of the upper die is a protruding blade, the cutting area of the lower die is a groove, and the cutting area of the upper die and the cutting area of the lower die can be matched with each other to complete the cutting of the fabric;
the fabric is a chemical fiber fabric;
the resistance value of the metal material adopted by the cutting areas of the upper die and the lower die is higher than that of the metal material adopted by the heat setting areas of the upper die and the lower die;
the heat setting area and the cutting area of the upper die are made of metal materials with different resistance values, and the heat setting area and the cutting area of the lower die are made of metal materials with different resistance values; the heat setting area of the upper die and the heat setting area of the lower die are made of metal materials with the same resistance value; the cutting area of the upper die and the cutting area of the lower die are made of metal materials with the same resistance value.
2. The apparatus of claim 1, wherein the heat-setting zone of the upper mold is a smooth-surfaced convex portion, the heat-setting zone of the lower mold is a smooth-surfaced concave portion, and the convex portion of the upper mold and the concave portion of the lower mold are capable of cooperating to complete heat-setting of the fabric.
3. The apparatus according to claim 1 or 2, wherein the cross-section of the convex portion of the upper die and the cross-section of the concave portion of the lower die are arbitrary shapes, and the height of the convex portion of the upper die and the depth of the concave portion of the lower die are set according to the fabric to be cut by setting.
4. The apparatus according to claim 1 or 2, wherein the heat setting zone of the upper die and the heat setting zone of the lower die have the same temperature, the cutting zone of the upper die and the cutting zone of the lower die have the same temperature, and the temperature of the cutting zones of the upper die and the lower die is higher than the temperature of the heat setting zones of the upper die and the lower die when the apparatus is in an operating state.
5. The apparatus of claim 3, wherein the heat setting zone of the upper die and the heat setting zone of the lower die are at the same temperature, the cutting zone of the upper die and the cutting zone of the lower die are at the same temperature, and the cutting zones of the upper and lower dies are at a higher temperature than the heat setting zones of the upper and lower dies when the apparatus is in operation.
6. A method for three-dimensional sizing of a fabric, said method being applied to the fabric three-dimensional sizing apparatus of any one of claims 1 to 5, said method comprising:
laying the fabric to be shaped and cut on the surface of the concave part of the lower die;
enabling the three-dimensional fabric shaping equipment to be in a working state, and enabling the upper die to descend until the convex part of the upper die is in seamless fit with the concave part of the lower die;
carrying out heat setting operation on the fabric through an upper die and a lower die;
cutting the fabric through the upper and lower dies after the heat setting operation is completed;
the upper and lower dies are separated to complete the demoulding operation.
7. The method of claim 6, wherein prior to placing the fabric to be pattern cut flat on the surface of the recessed portion of the lower mold, further comprising:
cutting the fabric to be shaped and cut into preset size and shape, wherein the preset size and shape correspond to the size and shape of the upper die and the lower die.
8. The method of claim 6, wherein the heat-setting zone of the upper die and the heat-setting zone of the lower die are at the same temperature, the cutting zone of the upper die and the cutting zone of the lower die are at the same temperature, and the cutting zones of the upper and lower dies are at a higher temperature than the heat-setting zones of the upper and lower dies when the apparatus is in operation.
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| CN201810651907.2A CN109023806B (en) | 2018-06-22 | 2018-06-22 | Three-dimensional fabric sizing equipment and method |
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| CN201810651907.2A CN109023806B (en) | 2018-06-22 | 2018-06-22 | Three-dimensional fabric sizing equipment and method |
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| CN109023806A CN109023806A (en) | 2018-12-18 |
| CN109023806B true CN109023806B (en) | 2020-04-07 |
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| CN111888049A (en) * | 2020-08-27 | 2020-11-06 | 日照天一生物医疗科技有限公司 | Preparation process of 3D hernia repair patch with fixed lock edge |
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| CN87215430U (en) * | 1987-11-10 | 1988-10-12 | 王卫东 | Cutter with interior heater |
| JP2005179863A (en) * | 2003-12-22 | 2005-07-07 | River Stone Kk | Method for producing brassiere-cup forming body, and brassiere-cup forming body obtained by molding |
| CN202730469U (en) * | 2011-07-22 | 2013-02-13 | 引裕精机股份有限公司 | Upper die device of hot press |
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